#!/usr/bin/env python

# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""
Verifies that stripping works.
"""

from __future__ import print_function

import re
import subprocess

import TestGyp
from XCodeDetect import XCodeDetect

test = TestGyp.TestGyp(formats=['ninja', 'make', 'xcode'], disable="This test is currently disabled: https://crbug.com/483696.", platforms=['darwin'])

test.run_gyp('test.gyp', chdir='strip')

test.build('test.gyp', test.ALL, chdir='strip')


# Lightweight check if stripping was done.
def OutPath(s):
  return test.built_file_path(s, type=test.SHARED_LIB, chdir='strip')


def CheckNsyms(p, n_expected):
  r = re.compile(r'nsyms\s+(\d+)')
  o = subprocess.check_output(['otool', '-l', p])
  m = r.search(o)
  n = int(m.group(1))
  if n != n_expected:
    print('Stripping: Expected %d symbols, got %d' % (n_expected, n))
    test.fail_test()


# Starting with Xcode 5.0, clang adds an additional symbols to the compiled
# file when using a relative path to the input file. So when using ninja
# with Xcode 5.0 or higher, take this additional symbol into consideration
# for unstripped builds (it is stripped by all strip commands).
expected_extra_symbol_count = 0
if test.format in ['ninja', 'xcode-ninja'] \
    and XCodeDetect.Version() >= '0500':
  expected_extra_symbol_count = 1

# The actual numbers here are not interesting, they just need to be the same
# in both the xcode and the make build.
CheckNsyms(OutPath('no_postprocess'), 29 + expected_extra_symbol_count)
CheckNsyms(OutPath('no_strip'), 29 + expected_extra_symbol_count)
CheckNsyms(OutPath('strip_all'), 0)
CheckNsyms(OutPath('strip_nonglobal'), 6)
CheckNsyms(OutPath('strip_debugging'), 7)
CheckNsyms(OutPath('strip_all_custom_flags'), 0)
CheckNsyms(test.built_file_path('strip_all_bundle.framework/Versions/A/strip_all_bundle', chdir='strip'),
           0)
CheckNsyms(OutPath('strip_save'), 7)

test.pass_test()
